Triple
T9865504
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pen-y-garreg Reservoir |
E239821
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Garreg-ddu Reservoir |
E237073
|
NE FINISHED |
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Garreg-ddu Reservoir Context triple: [Pen-y-garreg Reservoir, near, Garreg-ddu Reservoir]
-
A.
Garreg Ddu Reservoir
chosen
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
B.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
-
C.
Pen-y-garreg Reservoir
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
-
D.
Clywedog Reservoir
Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
-
E.
Cantref Reservoir
Cantref Reservoir is a man-made lake in the Brecon Beacons of South Wales that forms part of the water supply system for the city of Cardiff.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca84e7506c819095cbde4ff16512bb |
elicitation | completed |
| NER | batch_69cdb3ba7f288190a15ebec2cc3112c4 |
ner | completed |
| NED1 | batch_69d20d511e348190aab23a45048ea7b3 |
ned_source_triple | completed |
Created at: March 30, 2026, 8:36 p.m.